Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 3 2 5 4 3 2 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Magnesium hydroxide Calcium hydroxide Sodium bicarbonate Magnesium carbonate Magnesium hydroxide Calcium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium chloro hypochlorite Calcium bi chloride Calcium hypochlorite Calcium chlorate Calcium chloro hypochlorite Calcium bi chloride Calcium hypochlorite Calcium chlorate ANSWER DOWNLOAD EXAMIANS APP
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